Nouns denoting natural phenomena

chemiluminescence
luminescence resulting from a chemical reaction as the oxidation of luciferin in fireflies
 
magnetosphere
the magnetic field of a planet; the volume around the planet in which charged particles are subject more to the planet's magnetic field than to the solar magnetic field
 
covalent bond
a chemical bond that involves sharing a pair of electrons between atoms in a molecule
 
nuclear resonance
the resonance absorption of a gamma ray by a nucleus identical to the nucleus that emitted the gamma ray
 
absorption spectrum
the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths
 
optical opacity
opacity to light
 
wind
a tendency or force that influences events
 
updraft
a strong upward air current
 
atomic power
nuclear energy regarded as a source of electricity for the power grid (for civilian use)
 
pyroelectricity
generation of an electric charge on certain crystals (such as tourmaline) as a result of a change in temperature
 
systemic circulation
circulation that supplies blood to all the body except to the lungs
 
blast
a strong current of air
 
radiation field
a field that represents the energy lost from the radiator to space
 
sleet
partially melted snow (or a mixture of rain and snow)
 
arterial pressure
the pressure of the circulating blood on the arteries
 
moon ray
a ray of moonlight
 
dichroism
pleochroism of a crystal so that it exhibits two different colors when viewed from two different directions
 
mock sun
a bright spot on the parhelic circle; caused by diffraction by ice crystals
 
floodhead
a wall of water rushing ahead of the flood
 
position effect
(genetics) the effect on the expression of a gene that is produced by changing its location in a chromosome
 
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